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← GeographyWhich phenomenon limits earthquake rupture propagation during subduction?
A)Segment boundary frictional resistance✓
B)Mantle density thermal convection
C)Sediment pore pressure decline
D)Oceanic crust magnetic orientation reversals
💡 Explanation
Segment boundaries are locations on the subducting plate with increased resistance, so rupture propagation halts because frictional resistance exceeds shear stress. Subduction zones stop propagating, rather than experiencing unrestrained slip involving pressure or magnetic effects.
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